Investigation into the Flow Properties of Coarse Solid Fuels for Use in Industrial Feed Systems

Table 1

Particle and bulk density of each material.

Material	Particle density; (g/mL)	Bulk density; (g/mL)
Wood pellets	1.26 ± 0.006	0.651 ± 0.004
Torrefied wood pellets	1.27 ± 0.004	0.677 ± 0.002
Ground anthracite	1.35 ± 0.004	0.731 ± 0.001
Torrefied wood chips	0.43 ± 0.005	0.170 ± 0.001
Milled wood pellets	1.53 ± 0.005	0.344 ± 0.007
Pulverised coal	1.51 ± 0.010	0.542 ± 0.007